Home / 324,128.12-447,222.47-195,031.94

Finding the Fourth Proportional to 324,128.12, 447,222.47 and 195,031.94

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Solution

The fourth proportional to 324,128.12, 447,222.47 and 195,031.94 is: 269,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,128.12 : 447,222.47 = 195,031.94 : x
  2. Step 2: Convert to fraction form
    324,128.12/447,222.47 = 195,031.94/x
  3. Step 3: Cross multiply
    324,128.12x = 447,222.47 × 195,031.94
  4. Step 4: Simplify right side
    324,128.12x = 87,222,662,724.42
  5. Step 5: Solve for x
    x = 87,222,662,724.42/324,128.12
  6. Step 6: Final answer
    x = 269,099.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.